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Proteomic Characterization of Epithelial Ovarian Cancer Delineates Molecular Signatures and Therapeutic Targets in Distinct Histological Subtypes

ABSTRACT: Clear cell carcinoma (CCC), endometrioid carcinoma (EC), and serous carcinoma (SC) are the major histological subtypes of epithelial ovarian cancer (EOC), whose differences in carcinogenesis are still unclear. Here, we undertake comprehensive proteomic profiling of 80 CCC, 79 EC, 80 SC, and 30 control samples. Our analysis reveals the prognostic or diagnostic value of dysregulated proteins and phosphorylation sites in important pathways. Moreover, protein co-expression network not only provides comprehensive view of biological features of each histological subtype, but also indicate potential prognostic biomarkers and progression landmarks. Notably, EOC have strong inter-tumor heterogeneity, with significantly different clinical characteristics, proteomic patterns and signaling pathway disorders in CCC, EC, and SC. Finally, we infer MPP7 protein as potential therapeutic target for SC, whose biological functions are confirmed in SC cells. Our proteomic cohort provides valuable resources for understanding molecular mechanisms and developing treatment strategies of distinct histological subtypes.

INSTRUMENT(S): timsTOF Pro

ORGANISM(S): Homo Sapiens (human)

SUBMITTER: Qi-Jun Wu

LAB HEAD: Qi-Jun Wu

PROVIDER: PXD033741 | Pride | 2023-10-30

REPOSITORIES: Pride

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			Action	DRS
	MD128LQB3_100_A1422294_Slot1-25_1_13631.d.zip	Other
	MD128LQB3_101_F1703061_Slot1-26_1_13633.d.zip	Other
	MD128LQB3_102_F1610380_Slot1-27_1_13635.d.zip	Other
	MD128LQB3_103_F1615604_Slot1-28_1_13637.d.zip	Other
	MD128LQB3_104_A1619189_Slot1-29_1_13639.d.zip	Other

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